Input.mkv has 1248 frames, now convertingįfmpeg: 1253 of 1248 frames at 24 fps, progress: 100% and ETA: 0h 0m 0s Process will sit on 100% while ffmpeg closes out functions.įfmpeg conversion of input.mkv started on 08/30/21 7:53:05 PM Processing pass 1 of VBR video, remaining time is remaining time for pass 1 only. C zscale V->V Apply resizing, colorspace and bit depth tested ffmkv itself with a big upscale in size: ffmkv -preset 'Up to 4K, original audio, 4GB per hour VBR, HDR' input.mkv output.mkvĪudio is Stream Copy VBR, filesize will be greater than estimated. configure string: -enable-libzimgĪnd this will be enough to enable the zscale filter.įFmpeg itself can be tested for presence of the zscale filter: ffmpeg -filters 2> /dev/null |grep zscale This installs a local copy of zimg that FFmpeg will pick up when it is compiled.įollow the full FFmpeg trac guide and when you reach the section where FFmpeg is compiled simply add the following to the. configure -prefix="$HOME/ffmpeg_build" -disable-shared & \ When installing the long list of dependencies in the guide add the following to also install zimage: mkdir -p ~/ffmpeg_sources & \ This can be accomplished in only two easy steps: This guide will not interfere with system libraries. Perhaps the best way to get a copy of FFmpeg and the zscale filter is to use, but slightly modify, the excellent FFmpeg trac compilation guide.
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